A finite difference model for predicting temperature fields in early age concrete is presented based on adiabatic test on concrete.
采用有限差分方法，建立了基于混凝土绝热温升试验的早龄期混凝土温度场计算模型。
Then, has made the finite difference model, and developed the computer program of the model by VB to simulate gas reservoir with high H_2S content calculation example in SPE36707 paper.
将该模型离散为数值模型，利用VB语言编制了模型的计算机求解程序，模拟计算了SPE36707论文高含硫气藏算例。
It is investigated using finite difference time domain method based on Drude model.
采用基于等离子体物理模型的时域有限差分法对其进行了研究。
The property of the near field subwavelength imaging in a metal thin-film structure is investigated using finite difference time domain method based on Drude model.
采用基于等离子体物理模型的时域有限差分方法模拟了金属薄膜近场成像特性；采用薄膜传输矩阵方法计算了金属薄膜对倏逝波分量的放大作用。
In solving the mathematical model, two time-saving and effective numerical methods have been tested and compared with the finite difference method commonly used.
对动态数学校型的数值求解，试验了两种颇为有效的方法，并将这两种方法和常用的有限差分方法作了比较。
Numerical solution is given to mathematical model of formation temperature field by full implicit finite difference method.
并利用有限差分方法，对温度场数学模型进行数值求解。
A three dimensional finite difference electric thermos model for resistance spot welding nugget process of dissimilar materials is introduced.
以异质材料低碳钢与纯镍电阻点焊为例建立了电阻点焊熔核形成过程的电热耦合有限差分模型。
By using an explicit finite difference program FLAC3D, a model of numerical calculation is established for a deep mining pillar with dynamic disturbance under high stress.
对深部矿柱在承受高静载应力时的动力扰动力学模型进行应力波传播力学响应分析，采用FLAC3D有限差分程序对深部开采圆形矿柱进行高应力下动力扰动数值计算。
According to geologic model of unsteady groundwater flow in heterogeneous medium and adopting the finite difference solution, the direction and strength of oil gas migration can be quantified.
根据非均匀各向异性地层的非稳定的地下水流动模型，采用有限差分法求解，可以定量判断油气运移的方向及强度。
Base on the Fourier law and conservation of energy, and combine the finite difference, this dissertation deduce finite difference temperature model.
以傅里叶定律和能量守恒定律为基础，结合有限差分理论推导出有限差分温度计算模型。
In numerical wave simulation of finite difference for acoustic wave equation, due to the limitation of computer model, there inevitably exists strong artificial boundary reflection.
在声波波动方程有限差分波场数值模拟中，由于计算模型的限制，导致很强的人为边界反射的产生。
Based on MIMD parallel computer model, parallel implementation of explicit finite difference methods has been discussed for computational fluid dynamics (CFD) problems.
基于MIMD并行计算机模型，本文讨论了CFD问题应用显式有限差分方法的并行化问题。
Take double parameters foundation model to improve Winkler model, and use finite difference method to resolve linear basis under columns and get linear equations which could be easily used in works.
采用双参数地基模型来改进温克尔地基模型，并用有限差分的方法求解任意荷载下条基的微分方程，得到便于工程计算的线性方程组。
The equations of the boundary layer containing microbubbles on the plate are established, then calculated employing a simple mixing length model and a finite difference method.
建立了含有微气泡的平板边界层方程，并采用一种简单的混合长度模型和有限差分方法对该方程进行了数值计算。
In this computation a fluid-elastic plastic model and a finite difference method of Lagrange coordinate are used The parameters of shock, cavity and waveform are obtained and analysed.
在这个计算中，采用了流体——弹塑性变模量模型，使用了拉格朗日坐标有限差分方法和人造粘性，获得了冲击波、空腔和波形参数，并分析了这些参数。
The mathematic model for the transportation phenomenon of thin film evaporation basedon microfin tubes, as well as its finite difference numerical method, was conducted.
本文提出了基于微肋管的薄液膜蒸发沸腾的输运现象数学模型及其有限差分求解方法。
In order to quickly predict the production performance, the streamline method was employed to solve this model as an alternative to the traditional finite-difference method.
为了实现生产动态的快速预测，用流线方法替代传统的有限差分法求解该模型。
In this paper, the shear transverse distribution on the beams of bridge is researched using data of model tests and computation in the finite difference method.
本文通过模型实验和有限差分法电算，对桥跨结构主梁剪力横向分布进行了研究。
In order to predict the production performance faster, streamline method was employed to solve this model as an alternative to the traditional finite difference methods.
为了实现生产动态的快速预测，用流线方法替代传统的有限差分法求解该模型。
Simple examples for explaining the unifying realization methods of state space and difference equation model using finite markov parameters are also presented in this paper.
并以简例说明了用有限的马尔可夫参数实现状态模型和差分模型的统一方法。
Applying the finite difference method to solve mathematics model of the well tests, and the central difference method is used.
应用有限差分法对试井的数学模型进行求解，采用中心差分。
By using a full-hidden finite difference method a numerical calculation was conducted of the above-cited model.
采用全隐式有限差分方法对模型进行了数值计算。
Rayleigh wave propagation and dispersive curve in single layers semi-infinite space model and three dimensional road embankment are studied comprehensively by using finite difference software FLAC3D.
笔者利用有限差分软件FLAC3D，对单层介质半无限大体和三维路基体的瑞利波传播特性以及频散曲线进行了数值模拟分析；
The mechanical analysis is made on anti-slide pile with a new model of finite difference method.
通过抗滑桩结构的力学分析，建立了抗滑桩结构的有限差分模型。
In solving partial differential equation (i. e. pricing model), the author adopted the finite difference method to get its numerical solution.
本文采用有限差分法求解偏微分方程(即定价模型)的数值解。
The dendrite growth of pure metal in undercooled melts was simulated by using phase field model(PFM) and finite difference schemes.
采用相场模型和有限差分方法，模拟了过冷纯金属熔体的枝晶生长，计算区域为二维正方形均匀网格。
As raster grid networks of digital elevation model in GIS can be used as the finite difference mesh, the continuity and momentum equations are solved numerically using the finite difference method.
由于GIS中的栅格网络数据可以直接作为有限差分的网格，二维数值模型可用有限差分来求解。
Based on the finite difference time-domain (FDTD) method, a novel model is presented for transient analysis of power cable system.
基于时域有限差分算法，提出了一种新的电力电缆电磁瞬态分析的计算模型。
The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.
采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。
The finite difference method is used to solve the coupling model, and the influence of starting pressure gradient on the distribution of groundwater pollutant concentrations is analyzed.
采用有限差分法和混合有限分析法对耦合模型进行数值求解，并分析了启动压力梯度对地下水污染浓度的影响。
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